How has "globalization" increased the opportunity for the diffusion of disease? A Flu viruses are constantly changing.

B Physical barriers to transportation help to separate people in different regions.

C Pandemics would have NO effects on the economy and daily life.

D People are more connected due to increased travel and increased international trade.

Which of the following statements best describes what is occurring in the land surrounding the sahara desert? a desertification is increasing, and the desert is expanding. b. fewer people are trying to farm in this semiarid region. c. the desert is shrinking with the increased use of irrigation. d. increased urbanization has resulted in decreased deforestation. select the best answer from the choices provided mark this and return save and exit next submit